刘勰的《文心雕龙》是论述写作的。刘勰认为写作与伦理道德关系密切，所以书中有许多篇章涉及了伦理道德问题，蕴涵着丰富的伦理道德思想。刘勰宗主儒学，把立德不朽视为最重要的人生价值观。他崇尚仁、孝和忠等重要道德规范，把“师圣”作为主要的“励德”方法。刘勰强调文学的道德教化作用，但没有用道德的评价来代替审美的评价。鉴于许多文人有不道德的行为，为了文德统一，刘勰倡导文人在遵守社会公德的同时，还要注意加强职业道德的修养。 Liu Xie’s “Wen Xin Diao Long” is discussed in writing. Liu Xie believes that writing is closely related to ethics. Therefore, many chapters in the book deal with ethical issues and contain rich ethical and moral thoughts. Liu Yong Zongzhu Confucianism, the immortality of the moral as the most important values ​​of life. He advocated the important moral standards of benevolence, filial piety and loyalty, etc., and regarded “mastering holiness” as the main “Reed” method. Liu Xie emphasized the role of moral education in literature, but did not use moral evaluation instead of aesthetic evaluation. In view of the unethical behavior of many scholars, in order to bring about the reunification of the virtues, Liu Yong advocated that while the literati abided by social ethics, they should also pay attention to strengthening the cultivation of professional ethics.